Mia buys 3 gallons of gas that costs d dollars per gallon. Bob buys g gallons of gas that costs $3 per gallon.

a) Write an expression for the amount Mia pays for the gas.
b) Write an expression for the amount Bob pays for the gas.
c) What do the numeral and the variable represent in each expression?

so b) will be g3 and c) will be d represents dollars per gallon and g represent gallons of gas? What else? Can you please check my answers, thank you very much.

a) 3d

I'll be glad to check your answers for the other two questions.

Write an expression for the amount mia pays for gas

5+3=8

jhdb

dm

iiyiry23rig3tr2hwuertuwfturtwgiu35twi3tugkqe7trt8736ytiu35r327tuyf6ew5trewutrrrrrrrrrrrrrrrrrrrrrrr

The operation is Multiplication

The algebra expression is 7d
The operation needed to write the expression is Multiplication
Therefore the algebra expression is 4g